﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Bai24_C_Sharp
{
    interface IA
    {
        void m1();
    }
    class C : IA
    {
        void m1()
        {
            Console.WriteLine("Interface A");
        }
        void m2()
        {
            Console.WriteLine("Hello");
        }
    }
     static void Main()
     {
         IA a=new C();
     }
}
